add site documentation for HTTP header authentication

Joel Johnson

2015-06-29 0b298b78a7c1fcda7f799af0c045a6c2e829a6bf

 src/test/java/com/gitblit/tests/AuthenticationManagerTest.java

@@ -657,11 +657,11 @@
      user.password = "password";
      users.updateUserModel(user);

      assertNotNull(auth.authenticate(user.username, user.password.toCharArray()));
      assertNotNull(auth.authenticate(user.username, user.password.toCharArray(), null));
      user.disabled = true;

      users.updateUserModel(user);
      assertNull(auth.authenticate(user.username, user.password.toCharArray()));
      assertNull(auth.authenticate(user.username, user.password.toCharArray(), null));
      users.deleteUserModel(user);
   }